227923213481 has 2 divisors, whose sum is σ = 227923213482. Its totient is φ = 227923213480.

The previous prime is 227923213439. The next prime is 227923213513. The reversal of 227923213481 is 184312329722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227090371600 + 832841881 = 476540^2 + 28859^2 .

It is a cyclic number.

It is not a de Polignac number, because 227923213481 - 2²⁶ = 227856104617 is a prime.

It is a super-2 number, since 2×227923213481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (227923213081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113961606740 + 113961606741.

It is an arithmetic number, because the mean of its divisors is an integer number (113961606741).

Almost surely, 2^227923213481 is an apocalyptic number.

It is an amenable number.

227923213481 is a deficient number, since it is larger than the sum of its proper divisors (1).

227923213481 is an equidigital number, since it uses as much as digits as its factorization.

227923213481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The spelling of 227923213481 in words is "two hundred twenty-seven billion, nine hundred twenty-three million, two hundred thirteen thousand, four hundred eighty-one".